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Pharmacopeial Impurities (EP / USP / BP)

Ondansetron EP Impurity H

Reference StandardAvailable on request

Ondansetron EP Impurity H (CAS 99614-14-9) supplier Zemixal: C17H17N3O, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-025942.

Pack sizes
Ondansetron EP Impurity H chemical structure
CAS number99614-14-9
FormulaC17H17N3O
Molar mass279.34 g/mol
Physical formSolid
HS code38229090
InChIKeyNTOYQHBABVCYMC-UHFFFAOYSA-N
IUPAC name3-[(2-methylimidazol-1-yl)methyl]-1,2,3,9-tetrahydrocarbazol-4-one

About Ondansetron EP Impurity H

Ondansetron EP Impurity H belongs to the Ondansetron reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 99614-14-9, formula C17H17N3O and molar mass 279.34 g/mol. It is handled as a solid.

Use cases we see most often

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Safe handling

It carries the GHS signal word Danger (H301, H318, H400 and H410), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Ondansetron

See every impurity, metabolite and related compound we list for this API.

Ondansetron standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Ondansetron EP Impurity H
Product nameOndansetron EP Impurity H
Catalogue numberZX-025942
CAS number99614-14-9
IUPAC name3-[(2-methylimidazol-1-yl)methyl]-1,2,3,9-tetrahydrocarbazol-4-one
Molecular formulaC17H17N3O
Molar mass279.34 g/mol
Exact mass279.1372
GradeReference Standard
Physical formSolid
XLogP32.3
H-bond donors / acceptors1 / 2
Topological polar surface area50.7 Ų
HS code38229090
InChIKeyNTOYQHBABVCYMC-UHFFFAOYSA-N
SMILESCC1=NC=CN1CC2CCC3=C(C2=O)C4=CC=CC=C4N3
PubChem CID10891224
SynonymsN-Demethyl Ondansetron, Ondansetron Hydrochloride Dihydrate - Impurity H, 1,2,3,9-Tetrahydro-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one, 3-((2-methylimidazol-1-yl)methyl)-1,2,3,9-tetrahydrocarbazol-4-one, 1,2,3,9-Tetrahydro-3-((2-methyl-1H-imidazol-1-yl)methyl)-4H-carbazol-4-one, N-Desmethylondansetron, 3-((2-methyl-1H-imidazol-1-yl)methyl)-2,3-dihydro-1H-carbazol-4(9H)-one, (3RS)-3-((2-Methyl-1H-imidazol-1-yl)methyl)-1,2,3,9-tetrahydro-4H-carbazol-4-one, 4H-Carbazol-4-one, 1,2,3,9-tetrahydro-3-((2-methyl-1H-imidazol-1-yl)methyl)-, 3-((2-methyl-1H-imidazol-1-yl)methyl)-1,2,3,9-tetrahydro-4H-carbazol-4-one, 3-[(2-methyl-1H-imidazol-1-yl)methyl]-1,2,3,9-tetrahydro-4H-carbazol-4-one, Ondansetron impurity H

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS06 Acute toxicity
Acute toxicity
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H301Toxic if swallowed
  • H318Causes serious eye damage
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P264, P264 + P265, P270, P273, P280, P301 + P316, P305 + P354 + P338, P317, P321, P330, P391, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Ondansetron EP Impurity H
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Ondansetron EP Impurity H

Which CAS number identifies Ondansetron EP Impurity H?
Ondansetron EP Impurity H is registered under CAS 99614-14-9. You may also see it listed as N-Demethyl Ondansetron, Ondansetron Hydrochloride Dihydrate - Impurity H, 1,2,3,9-Tetrahydro-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one. Our catalogue number for this item is ZX-025942.
What are the formula and molar mass of Ondansetron EP Impurity H?
For Ondansetron EP Impurity H, its formula is C17H17N3O and its molar mass is 279.34 g/mol. The systematic (IUPAC) name is 3-[(2-methylimidazol-1-yl)methyl]-1,2,3,9-tetrahydrocarbazol-4-one. InChIKey NTOYQHBABVCYMC-UHFFFAOYSA-N lets you match it in any structure database.
How is Ondansetron EP Impurity H used in pharmaceutical QC?
Ondansetron EP Impurity H is a characterised reference material linked to Ondansetron. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Ondansetron EP Impurity H?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Ondansetron EP Impurity H?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Ondansetron EP Impurity H to my country?
Yes. Because Ondansetron EP Impurity H is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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